From: Vincent Fourmond <vincent.fourmond@9online.fr>
Date: 2006-12-20T00:24:00+09:00
Subject: Re: Division hangs irb

Ken Bloom wrote:
> On Tue, 19 Dec 2006 23:06:05 +0900, Vincent Fourmond wrote:
> 
>> Ashley Moran wrote:
>>> Anyone know why the first three of these calculations works on my irb
>>> (on intel OS X 10.4.8), but the last one silently hangs?
>>>
>>>>> (DateTime.now - Date.new(2006,9,15)).to_f / 30
>>> => 3.18572031018981
>>>>> (DateTime.now - Date.new(2006,9,15)).to_f/ 30
>>> => 3.18572102628549
>>>>> (DateTime.now - Date.new(2006,9,15)).to_f/30
>>> => 3.18572174544174
>>>>> (DateTime.now - Date.new(2006,9,15)).to_f /30
>>   Irb takes the latter as the beginning of a regular expression for the
>> first argument of to_f:
> 
> ...therefore IRB is still waiting for input. 

But you should see the a
> prompt when you hit enter, with a different ending character (/ instead of
>> ) to indicate that IRB is still waiting for input.

  Actually, no: I did type the /. This way, I finish the regexp started
on the previous line, and the expression is parsed and causes an error.
By the way, is there a way to define a secondary prompt in IRB ?

	Vince

-- 
Vincent Fourmond, PhD student
http://vincent.fourmond.neuf.fr/